diff --git a/Dockerfile b/Dockerfile
index 521d307..a6ab9a6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,8 +6,9 @@ RUN echo '* libraries/restart-without-asking boolean true' | sudo debconf-set-se
 
 COPY docker/bin /usr/bin/
 
-COPY . /usr/bin/tuya-convert
-
+COPY install_prereq.sh /usr/bin/tuya-convert/
 RUN cd /usr/bin/tuya-convert && ./install_prereq.sh
 
 RUN mkdir -p /etc/service/tuya && cd /etc/service/tuya && ln -s /usr/bin/config.sh run
+
+COPY . /usr/bin/tuya-convert